CN202649297U - Counter for double remote transmission lightning arrester - Google Patents
Counter for double remote transmission lightning arrester Download PDFInfo
- Publication number
- CN202649297U CN202649297U CN 201220324239 CN201220324239U CN202649297U CN 202649297 U CN202649297 U CN 202649297U CN 201220324239 CN201220324239 CN 201220324239 CN 201220324239 U CN201220324239 U CN 201220324239U CN 202649297 U CN202649297 U CN 202649297U
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- chip microcomputer
- counter
- lightning
- lightning arrester
- teletransmission
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Abstract
The utility model discloses a counter for a double remote transmission lightning arrester, comprising a lightning arrester motion collection module, an electric switch, a single-chip microcomputer and a display, wherein the single-chip microcomputer is also connected with a communication module, and the lightning arrester motion collection module is also connected with an optical fiber signal remote transmission unit. The beneficial effects of the utility model are that lightning stroke count is automatically transmitted to a far-end server through a wireless data transmission module or an optical fiber signal remote transmission module which are both provided on the counter, thereby being convenient for operators to make a data statistic; when one of the wireless data transmission module and the optical fiber signal remote transmission module is damaged, the other still can transmit data, thereby ensuring the reliability of data transmission; and the counter also has the advantages of being simple in structure and accurate in count.
Description
Technical field
The utility model relates to a kind of counter, particularly relates to two teletransmission counter for lightning arresters.
Background technology
Electricity discharigng counter for arrester is a kind of device of monitoring the lightning arrester discharge action.Under normal working voltage, the leakage current that flows through counter is very little, and counter is failure to actuate, and when lightning arrester passed through lightning wave, operation ripple and power-frequency overvoltage, large electric current flow through counter, produces so that counter operates and counts.
Lightning arrester utilizes wide range, lightning arrester all is housed in the high-tension switch cabinet of transformer station, and because transformer station is arranged on the field, add up lightning arrester running situation when being the count value of discharge counter, need to send the staff to go each transformer station's statistics, so not only expend a large amount of labours, and the speed of data statistics is too slow, efficient is too low.
The utility model content
The purpose of this utility model namely is to overcome the deficiency of present technology, a kind of electricity discharigng counter for arrester with Wireless Data Transmission is provided, by the remote-transmission module that carries number of lightning strokes is sent to the server of far-end automatically, make things convenient for staff's real-time statistic data.
The utility model is achieved through the following technical solutions: two teletransmission counter for lightning arresters; comprise the lightning arrestor movement acquisition module; electronic switch; single-chip microcomputer and display; described lightning arrestor movement acquisition module comprises a photoelectrical coupler; the input end of photoelectrical coupler connects the switch contact of the heavy-current discharge protective device on the lightning arrester; a connect successively wave filter and two schmitt inverters of its output terminal is connected to the trigger point of electronic switch; the signal output part of electronic switch connects the input end of single-chip microcomputer; the output terminal of single-chip microcomputer connects display; be connected with a communication module on the described single-chip microcomputer; communication module comprises storage unit and data transmission unit; the input end of storage unit is connected to single-chip microcomputer; the input end of the output terminal connection data transmitting element of storage unit; also be connected with a fiber-optic signal teletransmission unit on the described lightning arrestor movement acquisition module, fiber-optic signal teletransmission unit connects the monitoring center in a distant place.
Described wave filter is low-pass filter.
Described data transmission unit is modulator-demodular unit.
Described storage unit is USB storage, connects single-chip microcomputer by USB interface.
Principle of work of the present utility model is: when lightning voltage or switching overvoltage are passed through lightning arrester; the signaling switch closing of contact of large current protective device on the lightning arrester; at this moment the receiving end of photoelectrical coupler receives electric signal; and high level signal is changed into low level signal output; level signal triggers electronic switch behind wave filter and schmitt inverter; the electronic switch output signal is carried out analyzing and processing to single-chip microcomputer; single-chip microcomputer transmits a signal to and shows number of lightning strokes on the display; check for the staff; single-chip microcomputer is also exported a signal in the storer of communication module, sends data to the server of far-end after storer is stored data by data transmission unit again.
The beneficial effects of the utility model are: the server that number of lightning strokes is sent to automatically far-end by the wireless data transfer module that carries, make things convenient for staff's real-time statistic data, this device also is provided with a fiber-optic signal remote-transmission module, when the wireless data delivery module broke down, that the utility model also has was simple in structure, count accurate advantage.
Description of drawings
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the circuit structure diagram of lightning arrestor movement acquisition module.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Such as Fig. 1; shown in Figure 2; two teletransmission counter for lightning arresters; comprise the lightning arrestor movement acquisition module; electronic switch; single-chip microcomputer and display; described lightning arrestor movement acquisition module comprises a photoelectrical coupler; the input end of photoelectrical coupler connects the switch contact of the heavy-current discharge protective device on the lightning arrester; a connect successively wave filter and two schmitt inverters of its output terminal is connected to the trigger point of electronic switch; the signal output part of electronic switch connects the input end of single-chip microcomputer; the output terminal of single-chip microcomputer connects display; be connected with a communication module on the described single-chip microcomputer; communication module comprises storage unit and data transmission unit; the input end of storage unit is connected to single-chip microcomputer; the input end of the output terminal connection data transmitting element of storage unit; also be connected with a fiber-optic signal teletransmission unit on the described lightning arrestor movement acquisition module, fiber-optic signal teletransmission unit connects the monitoring center in a distant place.
One end of the photodiode in the described photoelectrical coupler connects the signaling switch contact of heavy-current discharge protective device, the closure signal of collection signal switch contact, the other end is by resistance R 1 ground connection, the grounded emitter of the phototriode in the photoelectrical coupler, current collection is signal output part very; The RC low-pass filter is that a resistance R 2 and direct earth capacitance C2 form, and it connects the output terminal of photoelectrical coupler; The RC low-pass filter outputs to the schmitt inverter of two series connection after with signal filtering, and the schmitt inverter of two series connection will be exported to electronic switch again behind the signal rectification.
Described wave filter is the RC low-pass filter.
Described data transmission unit is modulator-demodular unit.
Described storage unit is USB storage, connects single-chip microcomputer by USB interface.
Principle of work of the present utility model is: when lightning voltage or switching overvoltage are passed through lightning arrester, the signaling switch closing of contact of large current protective device on the lightning arrester, at this moment the receiving end of photoelectrical coupler receives electric signal, and high level signal is changed into low level signal output, level signal is behind wave filter and schmitt inverter rectifying and wave-filtering, can send to the remote monitoring center by dual mode: (1) is that fiber-optic signal teletransmission unit is converted into pulsed optical signals with level signal, be delivered to monitoring equipment by light path, just can record action event and the concrete time of lightning arrester; (2) after electronic switch is triggered by level signal, namely export a signal to single-chip microcomputer, after single-chip microcomputer carries out analyzing and processing, transmit a signal to and show number of lightning strokes on the display, check for the staff, single-chip microcomputer is also exported a signal in the storer of communication module, sends data to the checkout equipment of far-end after storer is stored data by data transmission unit again.
Claims (4)
1. two teletransmission counter for lightning arresters; comprise the lightning arrestor movement acquisition module; electronic switch; single-chip microcomputer and display; described lightning arrestor movement acquisition module comprises a photoelectrical coupler; the input end of photoelectrical coupler connects the switch contact of the heavy-current discharge protective device on the lightning arrester; a connect successively wave filter and two schmitt inverters of its output terminal is connected to the trigger point of electronic switch; the signal output part of electronic switch connects the input end of single-chip microcomputer; the output terminal of single-chip microcomputer connects display; it is characterized in that: also be connected with a fiber-optic signal teletransmission unit on the described lightning arrestor movement acquisition module; fiber-optic signal teletransmission unit connects the monitoring center in a distant place; be connected with a communication module on the described single-chip microcomputer; communication module comprises storage unit and data transmission unit; the input end of storage unit is connected to single-chip microcomputer, the input end of the output terminal connection data transmitting element of storage unit.
2. according to claim 1 pair of teletransmission counter for lightning arrester, it is characterized in that: described wave filter is low-pass filter.
3. according to claim 1 pair of teletransmission counter for lightning arrester, it is characterized in that: described data transmission unit is modulator-demodular unit.
4. according to claim 1 pair of teletransmission counter for lightning arrester, it is characterized in that: described storage unit is USB storage, connects single-chip microcomputer by USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324239 CN202649297U (en) | 2012-07-06 | 2012-07-06 | Counter for double remote transmission lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324239 CN202649297U (en) | 2012-07-06 | 2012-07-06 | Counter for double remote transmission lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202649297U true CN202649297U (en) | 2013-01-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220324239 Expired - Fee Related CN202649297U (en) | 2012-07-06 | 2012-07-06 | Counter for double remote transmission lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202649297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529283A (en) * | 2012-07-06 | 2014-01-22 | 四川蓝讯宝迩电子科技有限公司 | Counter for double remote transmission lightning arrester |
| CN104022455A (en) * | 2013-10-24 | 2014-09-03 | 国家电网公司 | Ground wire usage condition display apparatus |
-
2012
- 2012-07-06 CN CN 201220324239 patent/CN202649297U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529283A (en) * | 2012-07-06 | 2014-01-22 | 四川蓝讯宝迩电子科技有限公司 | Counter for double remote transmission lightning arrester |
| CN104022455A (en) * | 2013-10-24 | 2014-09-03 | 国家电网公司 | Ground wire usage condition display apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20130706 |